<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>链接伪类</title>
    <style>
        :link{
            font-size: 48px;
            color: red;
            text-decoration: none;
        }
        :visited{
            color: orange;
        }
        a:hover{
            color: skyblue;
            font-size: 72px;
        }
        a:active{
            color: green;
        }
    </style>
</head>
<body>
    <a href="https://www.baidu.com/">baidu</a>
    <br/><br/>
    <a href="https://cn.big.com/">bing</a>
    
</body>
</html>